Surrogate Standard Back Catalog number: 96716 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95206 Benzo(a)pyrene Price on request 685660 Bentazone-methyl, 100µg/ml in Acetonitrile, 5ml Price on request 680335 trans-Nonachlor, 10 µg/ml, Cyclohexane, 10ml Price on request